Christmas tree watering device



FIG. 1 is a bottom plan view of a Christmas tree watering device showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right elevation view thereof;

FIG. 4 is a left elevation view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof; and,

FIG. 7 is an isometric view thereof.

The broken lines in FIG. 7 depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a Christmas tree watering device, as shown and described. 